Immersion Corp. (Nasdaq: IMMR) shares are down more than 20 percent on nearly 50,000 shares volume as of 9:10 Eastern this morning, after the company announced an investigation into previous revenue transactions in its medical business.

The company’s audit committee has not yet determined the impact, if any, to Immersion’s historical financial statements.

As a result of the investigation, the company says it’s possible it might not file its second-quarter financials on time. — Mike Tarsala